Sewing-machine tucker



PAIjENTED AUG. 9, 1904.

W. R. PARSONS. SEWING MACHINE TUCKER. APPLICATION FILED FEB. 16, 1903.

3 SHEETSSHBET 1.

NO MODEL.

10 MODEL.

IIIIHIHIIlllllllllllllll W. R. PARSONS. SEWING MAGHINE TUCKER.

APPLIOAIION FILED FEB. 16, 1903.

3 SHEETS-SHEET 2.

A numm PATENTED AUG. 9, 1904'.

PATENTED AUG. 9, 1904. W. R. PARSONS. SEWING MACHINE TUGKER.

APPLICATION FILED PER. 16', 1903.

' 3 SHEETS-SHEET 3.

110 MODEL.

UNITED STATES WINSLOW R. PARSONS,

Patented August 9, 1904.

OF CHICAGO, ILLINOIS.

- SEWING-MACHINE TUCKER.

SPECIFICATION forming part of Letters Patent No. 766,840, dated August'9, 1904. Application filed February 16, 1903. Serial No. 143.541. (Nomodel.)

TOYLZZ whmn it may concern:

" i Be it known that I, WINsLow R. PARsoNs, a

- ments falling under the general class of tuckers known, respectively,as tuck-markers and tuck-folders, or tuckers which do not mark thegoods, but simply. serve to fold the same where the tuck is to beformed. The former of these operates to produce a mark or crease as aguide to the operator and is most commonly employed on white or lightgoods, while the latter form or tuck-folder does not mark the goods, butserves to denote the line where the goods are to be stiched by affordingthe operator a guide against which to place the apex of the last fold ortuck. This latter form of tucker is especially designed for thatcharacter of goods which can- .not or should not be creased or marked byWith the first of these the tuck-marker. forms the operation isperformed with the tucked and stitched fold of the goods underneath nextthe knife-arm or lower smoothingarm and the apex of the new fold or tuckagainst the usual adjustable gage, while the apex of the last completetuck passes under a small lip or tuck-guide adjacent to the knife toprevent such tuck from riding over the edge of the knife during thetuck-marking operation. With the latter of these forms of tuck-folder,however, the tucked fold of the goods is arranged on top next the uppersmoothing-arm and the apex'of the last-finished tuck is placed againstthe aforesaid foldguide on such upper smoothing-arm, while the apex ofthe new tuck being formed is placed against the usual gage, whichdenotes the distance of the new line of stitching from the last tuck.Both of these forms of tuckers require a gage and its scale, asmoothing-arm above the goods, and an arm corresponding to theknife-arm, wh1ch also serves as a smoothing-arm below the goods evenwhen are required a double-expense is entailed, to

adjusting the two separate attachments.

The primary object of my invention is to lcombine the two attachments inone, so that it may be used at will as either a tuck-marker b or atuck-folder without removing it from the machine.

With these ends in view my invention consists in certain features ofnovelty in the construction, combination, and arrangement of parts bywhich the said object and certain other objects hereinafter appearingare at- ,the accompanyingdrawings and more par- ':ticularly pointed outinthe claims.

\ In the said drawings, Figure 1 is a perspective view of a tuckerembodying my invention, showing it in operation on a sewingmachine. Fig.2 is a similar view thereof, ;showing the tucker-arm detached from theneedle-bar and held down in its inoperative Eposition. Fig. 3 is a planview of the tucker detached from the sewing-machine. Fig. i is a side orfront elevation showing the tucker- ,arm secured. in its inoperativeposition. Fig. 5 is a detail plan view of the knife and one end of theknife-arm. Fig. 6 is an enlarged transverse section taken on the line 66, Fig. 3. Fig. 7 is a vertical detail section taken on the line7 7,Fig. 3. Fig. 8 is a detail rear elevation of the smoothing-'- arm withthe creaser and tuck-folder thereon, showing its relation to theknife-arm and knife. Fig. 9 is a longitudinal section on the line 9 9,Fig. 3. Figs. 10 to 16, inclusive, illustrate a modified form of theinvention, Fig. 10 being a plan view thereof detached from thesewingmachine. Fig. 11 is a front elevation. Fig. 12 is a verticallongitudinal section taken on the line 12 12, Fig. 10. Fig. 13 is anenscribed. Fig. l l 1s a vertlcal enlarged cross-section on the knife isnot used. Thus where both forms ,tained, all as fully described withreference tolarged detail perspective view hereinafter de-' Fig. 13 is adetail of the creasein.

say nothing of the trouble of changing and Lia.

the line 14 14, Fig. 10. Fig. 15 is an end elevation looking from theleft inFig. 10, and Fig. 161's ancnlarged detailperspective view of theknife and end of the knife-arm.

1 is a flat strip or bar which constitutes the knife-armand upon the"edge of which is formed an extension'2, whose inner edge is upturned to.constitute a sharp member or knife 3, and with which member or knife 3cooperates the crease notch or marker .4, arranged directly above theknife 3, as usual, and formed in the lower surface of a downwardly bentor curved portion5 of a finger or lever having an upwardly=extendingportion 6 and secured to a flexible arm or strip 7, which is marked withthe usual graduations, extends over the knife-arm 1, and exerts a normaltendencyto holdthecrease notch or marker taloof from the knife 3. Thetwo arms 1 7 may be secured together at their meeting ends in any,suitable way such, for

example, as passing a h1g8 on the end of arm 7 through a lip or flange 9on the end of bar 1 and then riveting the two bars together at anotherpoint. This rivet may be constituted by the end 10 of a spring 11, whichis also passed through the lip or flange 9, thereby serving the twofoldpurpose of holding bars 1 and 7, as well as the spring, one end of whichis straightened out to constitute the operating-arm 12, and whichextends longitudinally of the arms 1 7 and is adapted to strike anddepress thefinger extension 6,, and thereby produce the creasein thegoods passing over the knife 3. The endof the arm 12 is provided with adownwardly-extending book 13 in order that it may better engage andoperate the finger 6, and in order that the arm 12 may be thusoscillated in unison with the needle-bar 14 it isprovided with a clip15, held thereon by a pair of cars 16, so as to be capable of h slidinglongitudinally on the arm and pro vided witha hook 17, adapted toengagetheneedle 18 just below the needle-bar, whereby the,

arm 12 is attached to the needle-bar and moves up and down therewith toengage and depress the finger extension 6 and arm 7 at, every downwardstroke ofthe needle. Should it be desired, however, to stop theoperation of the tuckmarker, the clip 15 is unhook'ed from the needleand slipped along the arm 12 until the hook of the clip can be engagedin an eye 19, secured to thetuckerin any suitable way, as by means ofthe end 10 of the spring passing therethrough, the arm 7 being vbent orshouldered at 7 to prevent theeye 19 from rotating on the riveted end10. of thespring.

Upon this smoothing-arm 7 and on the lower side of the free end thereofis also mounted. the tuck-fold guide 20, which, as better shown in Fig.8, is in direct line withthe tuck marker or notch and the knife, 3. i

.21 is thescrew or other suitabledevice for and without either tucks orfolds. usingthe device as a tuck-folder, as shown in attaching the plateto the sewing-machine plate, and the plate preferably consists of a fiatstrip or sheet of metal or other suitable material 22, folded uponitself, with one fold over and the other fold under the arm 1, andbetween which folds said arm slides, the screw 21 being passed through aslot 23 in both folds of plate 22, so as to be also utilized asa meansof clamping the arm 1 in the position to which it is adjusted. The arm 1may be held against lateral or transverse movement between the folds ofthe plate 22 by upturned lugs 24c'or other suitable means, and the freeends of :the plate 22 are secured together by a lip 25, struck up fromthe lower one and folded over the-upper one.

26 is the tuck-gage, which serves without change as a gage for both thetuck-marker 3 and the tuck-foldguide 20, inasmuch as it bears the samerelationto-both. This gage 26 has a lip 27,, through which passesa strip28, secured to the plate 22 and havinga suitable scale marked thereon.The'gage 26 is ;also provided with astembr slide 29, which passesbetween the folds of plate 22 and has .its upperend turned upin'the formof a lug or stop 30topreventit'fr'om being pulled out,

.The slide 29 is 'guidedor held against lateral movement by lugs orflanges 31, turned up at the edges thereof from the lower fold of plate22. The strip 28.is also held between the two foldsofplate 22, and it issecured :against' longitudinal movement by the lugs 24 31, which overlapthe edges of the strip,

as shown in Fig. 3. 'It is also seen that the screw 21 serves asa meansfor clamping the slide 29 atthe desired adjustment. i

I will describe first the operation of the device as a tuck-marker, asshown in Fig. 1, although in the main itdoes not-differ in ,such usefrom the operation of theordinary tucker. and the apex of the foldplacedagainst the The fabric is first folded upon itself gage-lip 27,the'latter being set for the desired Width of tuck, and the fabric isthen stitched to produce the first tuck. This tuck is then drawn beneaththe top fold and its apex placed under and against the usual tuck guidelip 3*, with the single thickness of the lower fold passingover'theknife 3, whilethe apex of the new or main fold is placed against gage 27after which the folds are again stitched together valong the crease ormark formed by the knife and creaser to produce another tuck, and so on,the tucks beingalways turned under thetop fold, which is plain When Fig. 2that is, for folding the tucks without i 7, as before.

I I Assuming that thetucks are to be of the same width as those producedwith th'e'tuck-marker in'operation, the gage 27 is allowedto remainunchanged, and the apex of the fold is placed thereagainst, and hencethe seam when run will fall the proper distancefrom such apex, thusproducing the first tuck. This tuck instead of being drawn beneath thetop fold is pulled over the bottom" fold toward the left until the tuckengages the fold-guide 20, with the apex of the tuck resting in thecrotch formed by such guide and the bottom of arm 7. With the first tuckthus positioned the fold of the fabric is now workedtoward gage 27 untilthe apex of such fold rests thereagainst, whereupon the goods will beinposition to be stitched, thus producing the secondtuck, which is thendrawn around on top and pressed against. guide 20, as before." It willthus be'seen that the guide 20 is necessarily positioned above the goodsand net below the same, whereas the guide 3 is necessarily below thegoods.

Referring to the form of my invention shown in Figs. 10 to 16, it willbe seen that the crease notch or marker 4 is formed in the elbow 32.0f adownwardly-extending arm 33 on the'end of a spring-arm 12, which isthesame in construction as the arm 12 before described; but in thisinstance instead of being acted on directly by the needle-barit isactedon through the intermediary of a separate operating-arm 34, which isengaged by the needle-bar as the latter descends, and thereby causes thecrease-notch 4 to press the goods against the knife 3 the arm 34 beingreturned as the needle-bar rises by the springarm 12. The arm '34 is:pivotally supported on the plate by'means of a pivot 35 and a standard36 and projects acrossthe springarm 12; but instead of impinging the armdirectly it is preferable to cause the arm '34 above which on the screwis located a jamnut 39 forlocking' the screw in position. When it isdesired to throw the tuck-marker out of operation, so that thecrease-notch will cease to engage the goods, the arm 34may be thrownoutwardly out of the line "of movement of the needle-bar by turning iton its.

pivot 35. In order, however,that thearm 34 will remain in the positionin which it is placed, it is desirable to provide it with some suitableform of friction-hold that'will permit of it being readily placed ineither position. For this purpose I have shown a -spring-dog 40, securedto the side of standard 36 and prothe arm 34.

jecting around the edge thereof in position to engagewith either of twoshoulders 41 42 on The dog 40 may be held in place by the same pivot 35which fulcrums arm 34, and in order that the dog may not revolve withthe arm it is formed with a perforated extension 43, through which thespring-arm 12 is passed. In this form of the invention the tuck-foldguide is constituted on the arm 7 by two downwardly andlaterallybentlips 20 on a cross-bar 20 formed integrally with the arm 7in line with the crease marker or notch 4 on the arm 12'. The plate isformed, preferably, integrally with a sewing-machine presser-foot 44,provided with a bifurcated lug 45, whereby it may be attached to thepresser-foot bar of a sewing-machine in the well known manner. The.presse'r-foot 44, however, is cut off short at its forward end, as shownin Fig. 10, so that the gage 26 may be moved as close as possible to theneedlehole 46, and thereby preclude the possibility of the goodsslipping before being stitched. The plate is constituted in this form bybottom plate 47 extending under the arm 1 and slide 29 and havingupturned flanges 48,

through which the slide 29 passes, and a top plate49, which issubstantially L-shaped, with a projection 5O on one side carrying thestandard 36, and which plate 49 is'secured to the ibottom plate 47 byrivets 51 or other suitable means, and where the plate 49 passes overthe slide 29 and arm 7 X it is arched, as shown at 49, and through thesearches are threaded two set-screws 52 53, which impinge the slide.

29 and the arm 1*, respectively, so as to hold them at their properadjustment. The scale plate or strip 28* for the gage26 is secured tothe top plate 49 between the arches 49 by it being observed that theupturned flange 27 in Fig. 10 extends from the edge of the varm 1 to theforward end of the gage and that the slide or stem 29 projects from thelower edge of the flange 26* instead of from the end or corner of thegage, as in Fig. 3.- This difference in form, however, is incidental tothe difference in the method of producing the gage of a single piece andturningthev guide-stem 29 backwardly from the lower edge of flange 27 IIt is quite obvious that while the crease marker or notch 4 is shown asformed directly upon the creaser-arm 12* inFigs..lOi

to 16 it might nevertheless be carried on the ICC struction' andarrangement of crease-notch,v knife, and tuck-fold shown in Fig. 1- asthey are to the form shown in Figs. to 16.

nation with the plate and means for attaching I and a creaser, of atuck-fold guide arranged Having thus described my invention, what Iclaim as new therein, and desire to secure by Letters Patent, is

1. In a sewing-machine tucker, the combithe same to thesewing-machine,'of two arms arranged one above the other andlongitudinally adjustable 'on said' plate but secured together andimmovable relatively, a tuck-fold guide carried by the upper one and aknife carried by the lower one of said arms, a creaser for said knifeanda fold-gage, common to both said knife and guide, and bearing thesame relation to each other. 7

2. Ina sewing-machine tucker, thecomhi nation with a knife, a creaser, acreaser-arm,

and means for securing the tucker to the se w' ing-machine, of a pivotedoperating-arm for oscillating said creaser-arm independently movabletransversely thereof, locking-shoulders on said operating-arm, and apivoted spring-dog adapted to. engage said shoulders and attached tosaid creaser arm for holding the latter steady. Q. v

3. In a sewing-machine tucker, the combination with a knife, a creaserand a creaserarm, of an operating-arm extending transversely of saidcreaser-arm and movable independently thereof; locking-shoulders on saidoperating-arm, a friction-dog adapted to en- 4 gage said shoulders,attached to said creaserarm, a support for said operating-arm, a pivotconnecting said dog and operating-arm to said support, and means forsecuring the tucker to the sewing-machine. I

4:. In a sewing-machine tucker, thecombination of a plate, comprising an'upper plate formed with an arch or upward bend, a knife,

a knife-arm passingunder said arch, means lnation with the plate, meansforcattaching thefor supporting said knife-arm on one of said plates, aset-screw threaded through saidarch and impinging said arm, a creaser,means for operating said creaser, and means. for securing the plate tothe sewing-machine.

5. In a sewing-machine tucker, the combination with means for securingthe same to the sewing-machine, a knife and a creaser, ofthe platecomprising an upperplate formed with two upper bendslor arches andalower plate located below said upper plate and: secured thereto,a'knife-arm passing through one of said arches, a set-screw threaded inthe latter said arch and impinging said arm, a gage comprising a stempassing through the other of said arches, and a set-screw passingthrough the latter arch and engaging said stem.

' 6. Ina sewing-machine tucker, the combination of the plate, means forattaching the same to the sewing-machine, a knife, a creaser, a flexiblecreaser-arm, an operating-arm hav-v ing locking-shoulders and adapted toact upon said creaser-arm, a laterally-defiectable springdogfor'engaging said shoulders adapted torest upon said plate, a pivotconnecting said tuckerarm and dog to the tucker and an extension on saiddog through which said creaser-arm passes.

7 In a tucker, the combination with a knife fold guide arranged abovethe edge of the knife 3 but in line therewith and with said first guide,and a gage arranged, opposite said guides for engaging the apex of thefold of the goods :while such fold is being stitched.

9. In a tucker, the combination with a knife and a creaser, of afold-gage adapted to engage the apex of the fold being stitched, and atuck-fold guide arranged opposite said gage iand turned downwardly toengage the .edges ;of the tucks while on the upper side of thegoods,-and bearing the same relation tov said gage as said knife,whereby the one gage serves for both theknife and the fold-guide. 10. Ina sewing-machine tucker, the combination with the plate, andmeansforattaclr ing the same to the sewing-machine, a knife, a creaserfor said knife and a tuck-fold guide, Iof a longitudinal scale-bararranged below lsaid fold-guide and adjustably secured to said lplateand common to and permanently conjnected with said knife, creaser andguide and adjustable in unison therewith, 1

11. In a sewingmachine tucker, the combisame to the sewing-machine, aknife, a creaser lfor said knife, and a tuck-fold guide, of allongitudinal scale-bar arranged .below said ifold-guide and adjustablysecured to said plate land common to and permanently connected lwithsaid knife, creaser and guideand adjustlable in unison therewith, and afold-gage com- }mon to said knife, creaser and guide and ad justablealong said scale-bar. v

12. In a sewing-machine tuckenthecombia {nation with the plate, meansforsecuring the same to the sewing-machine, and two horizontal armsarranged one above the other and lslidably connected to said plate, of aknife lsecured to one of said arms, a creaser for said .knife secured toand movable withsaidlarms IIO as the same slide with relation to saidplate, a fold-gage attached to said plate, and a foldguide secured tothe under side of the upper one of said arms and located the samedistance from said gage as Said knife, whereby the same gage serves forboth the fold-guide and the knife.

13. In a tucker, the combination with a knife and a creaser, a tuckerplate comprising 10 means for attachment to the sewing-machine,

of the goods, and a fold-gage for engaging 5 the apex of the fold beingstitched.

' W. R. PARSONS. Witnesses:

WM. 0. HOLLATZ, A. DOHRMANN.

